Page last updated: 2024-08-17

pyridoxic acid and pyridoxal phosphate

pyridoxic acid has been researched along with pyridoxal phosphate in 108 studies

Research

Studies (108)

Timeframe	Studies, this research(%)	All Research%
pre-1990	38 (35.19)	18.7374
1990's	28 (25.93)	18.2507
2000's	17 (15.74)	29.6817
2010's	22 (20.37)	24.3611
2020's	3 (2.78)	2.80

Authors

Authors	Studies
Brown, RR; Wolf, H	1
Borzani, M; Giovannini, M; Motta, G; Riva, E	1
Davis, M; Labadarios, D; McConnell, JB; Rossouw, JE; Williams, R	2
Coburn, SP; Mahuren, JD	1
Brown, RR; Potera, C; Rose, DP	1
Brown, RR; Leklem, JE; Linkswiler, HM; Rose, DP	1
Kurz, R; Reinken, L	1
Allman, MA; Pang, E; Stewart, PM; Tiller, DJ; Truswell, AS; Yau, DF	1
Dakshinamurti, K; Sharma, SK	1
Bessman, SP; Geiger, PJ; Memon, RA; Mohan, C; Rogers, KS	1
Chrisley, BM; Driskell, JA	1
Gershoff, SN; Morrow, FD; Ribaya-Mercado, JD; Russell, RM; Sahyoun, N	1
Chrisley, BM; Driskell, JA; McNair, HM	1
Henderson, JM; Merrill, AH	1
Leklem, JE	1
Lamiable, D; Millart, H	1
Hess, D; Vuilleumier, JP	1
Andon, MB; Howard, MP; Moser-Veillon, PB; Reynolds, RD	1
Kant, AK; Moser-Veillon, PB; Reynolds, RD	1
Hirayama, C; Ohgi, N	1
Reynolds, RD; Schlichting, CL; Styer, DJ	1
Becker, PJ; Delport, R; Serfontein, WJ; Ubbink, JB; Walters, L	1
Bogaards, JJ; Van den Berg, H	1
Leklem, JE; Manore, MN; Walter, MC	1
Gómez-Hens, A; Petidier, A; Rubio, S; Valcárcel, M	1
Bruinse, HW; Louwerse, ES; Schrijver, J; Thissen, JT; van den Berg, H	1
Lee, CM; Leklem, JE	1
Coburn, SP; Mahuren, JD; Vrabel, LA; Whyte, MP	1
Aronoff, GR; Li, TK; Lui, A; Lumeng, L	1
Leklem, JE; Miller, LT; Shultz, TD	1
Sauberlich, HE	1
Leklem, JE; Lindberg, AS; Miller, LT	1
Davis, RE; Wilson, RG	1
Leklem, JE; Shultz, TD	2
Dozi-Vassiliades, J; Mourelatos, D; Myrtsiotis, A	1
Kabir, H; Leklem, JE; Miller, LT	1
Bailey, LB; Cerda, JJ; Gregory, JF; Schuster, K	1
Shane, B	1
Beecher, GR; Maire, CE; Vanderslice, JT	1
Bailey, LB; Mahan, CS; Schuster, K	1
Arend, RA; Brown, RR; Walter, S; Wolf, H	1
Eggers, DK; Fonda, ML; Mehta, R	2
Coburn, SP; Conn, PS; Costill, DL; Fink, WJ; Lane, HW; Mahuren, JD; Pearson, DR; Schaltenbrand, WE; Thampy, KG; Ziegler, PJ	1
Coburn, SP; Gretz, D; Mahuren, JD; Schaeffer, MC	1
Johnson, HL; Kretsch, MJ; Sauberlich, HE; Skala, JH	1
Nagai, N; Ogata, H; Shimamura, H; Sugito, K; Takahashi, H	1
Ferroli, CE; Trumbo, PR	1
Leklem, JE; Prince, AP	1
Pannemans, DL; van den Berg, H; Westerterp, KR	1
Cordain, L; Crozier, PG; Sampson, DA	1
Bitsch, R	1
Trumbo, PR; Wang, JW	1
Hansen, CM; Leklem, JE; Miller, LT	1
Hayakawa, T; Maeno, M; Morimoto, Y; Suzuki, Y; Tsuge, H	1
Brants, HA; Brussaard, JH; Kistemaker, C; Löwik, MR; van den Berg, H	1
Bemelmans, W; Brants, HA; Brussaard, JH; Löwik, MR; van den Berg, H	1
Bates, CJ; Macdonald, A; Matthews, N; Pentieva, KD	1
Wei, IL	1
Bates, CJ; Berge, T; Drabløs, PA; Hervig, T; Hetland, O; Kristensen, O; Mansoor, MA; Osland, A; Pentieva, K; Rolfsen, S; Vefring, H	1
Bates, CJ; Finch, S; Mansoor, MA; Pentieva, KD; Prentice, A	1
Bates, CJ; Cole, TJ; Pentieva, KD; Prentice, A	1
Bates, CJ; Pentieva, KD; Prentice, A	1
Driskell, JA; Giraud, DW; Mitmesser, SH	1
Casez, JP; Drouve, U; Jaeger, P; Kälin, A; Nguyen, QV	1
Hansen, CM; Kwak, HK; Leklem, JE; Memon, HS; Shultz, TD	1
Cheng, CH; Huang, YC; Kan, MN; Lan, PH; Lee, BJ	1
Chang, SJ; Hsiao, LJ; Hsuen, SY; Huang, YC; Lee, YC	1
Hansen, CM; Hardin, K; Kwak, HK; Leklem, JE; Shultz, TD	1
Bisp, MR; Bleie, Ø; Bor, MV; Nexø, E; Nordrehaug, JE; Nygard, OK; Refsum, H; Schneede, J; Ueland, PM	1
Kinsella, J; McMillan, DC; O'Reilly, DS; Quasim, T; Talwar, D; Williamson, C	1
Chang, SJ; Hsiao, LJ; Hsuen, SY	1
Casez, JP; Jaeger, P; Kaelin, A	1
Emery, PW; Johnston, K; Obeid, OA	1
Dosy, J; Mahuren, JD; Massé, PG; Tranchant, C	1
Coburn, SP; Ericson, KL; Mahuren, JD; Zubovic, YM	1
Chang, SJ; Cheng, CH; Huang, YC; Lee, BJ; Lin, KL	1
Elmadfa, I; Genser, D; Majchrzak, D; Männer, M; Rust, P; Singer, I; Wagner, KH	1
Hustad, S; Midttun, Ø; Schneede, J; Ueland, PM; Vollset, SE	1
Pfeiffer, CM; Rybak, ME	1
Bitsch, R; Busch, M; Franke, S; Gerth, J; Göbert, A; Müller, A; Ott, U; Stein, G; Wolf, G	1
Dolina, S; Malitsky, S; Margalit, D; Pressman, E; Rabinkov, A	1
Boylan, M; Clement, L; Driskell, J; Giraud, D; Miller, V; Subih, H	1
Furuya, M; Iwamoto, S; Mizuseki, R; Nakayama, K; Yagi, T	1
Blomhoff, R; Cabo, R; Haugen, M; Hernes, S; Kozik, K; Mansoor, MA; Milanowski, M; Slettan, A; Ye, S	1
Albersen, M; Bakker, SC; Borgdorff, PJ; Bosma, M; Bruins, P; de Sain-van der Velden, MG; Jans, JJ; Keijzers, PJ; Knoers, NV; Luykx, JJ; Ophoff, RA; Strengman, E; van Dongen, EP; Verhoeven-Duif, NM; Visser, G	1
Eussen, SJ; Midttun, Ø; Nygård, O; Pedersen, ER; Ueland, PM; Ulvik, A	1
Eussen, SJ; Meyer, K; Midttun, Ø; Nygård, O; Tell, GS; Ueland, PM; Ulvik, A; Vollset, SE; Zuo, H	1
Albersen, M; Bosma, M; de Sain-van der Velden, MG; Hofstede, FC; Jans, JJ; van Hasselt, PM; Verhoeven-Duif, NM; Visser, G	1
Bailey-Wilson, JE; Brody, LC; Carter, TC; Cropp, CD; Fan, R; Gibney, ER; Kim, Y; Midttun, Ø; Mills, JL; Molloy, AM; Pangilinan, F; Shane, B; Ueland, PM; Wang, Y; Wilson, AF	1
Gregory, JF; Midttun, Ø; Rios-Avila, L; Ueland, PM; Ulvik, A	1
Ishikawa, M; Johno, A; Kobayashi, D; Sasaki, K; Wada, K; Yoshimura, T	1
McCann, A; Midttun, Ø; Nygård, O; Pedersen, ER; Svingen, GF; Ueland, PM; Ulvik, A	1
Abela, L; Albersen, M; Beese, K; Bok, LA; Bürer, C; Crowther, L; Hartmann, H; Hersberger, M; Mathis, D; Papuc, SM; Plecko, B; Rauch, A; Struys, E; Verhoeven-Duif, NM	1
Butler, LM; Gao, YT; Huang, JY; Jin, A; Koh, WP; Midttun, Ø; Ueland, PM; Wang, R; Yuan, JM	1
Akiyama, M; Akiyama, T; Hamano, SI; Hanaoka, Y; Hayashi, Y; Imai, K; Kobayashi, K; Okanishi, T; Shibata, T; Toda, S; Yoshinaga, H	1
Gylling, B; Häggström, J; Hallmans, G; Johansson, I; Myte, R; Palmqvist, R; Schneede, J; Ueland, PM; Ulvik, A; Van Guelpen, B	1
Akiyama, M; Akiyama, T; Hanaoka, Y; Hayashi, Y; Kobayashi, K; Shibata, T; Tsuchiya, H; Yamaguchi, T	1
Agudo, A; Ardanaz, E; Bergmann, MM; Boeing, H; Boutron-Ruault, MC; Brennan, P; Bueno-de-Mesquita, HB; Chirlaque, MD; Chuang, SC; Fortner, RT; Fournier, A; Gallo, V; Garcia, JRQ; Grankvist, K; Johansson, M; Kaaks, R; Kotanidou, A; Kvaskoff, M; Lagiou, P; Larranaga, N; Midttun, Ø; Palli, D; Panico, S; Peeters, PH; Sanchez, MJ; Severi, G; Sieri, S; Tell, GS; Theofylaktopoulou, D; Travis, RC; Trichopoulou, A; Ueland, PM; Ulvik, A; Vollset, SE; Zuo, H	1
Meyer, K; Midttun, Ø; Nygård, O; Tell, GS; Ueland, PM; Ulvik, A; Vollset, SE; Zuo, H	1
Akiyama, T; Harada, D; Kitanaka, S; Kobayashi, D; Kobayashi, K; Kubota, T; Matsunami, K; Michigami, T; Mitani, Y; Namba, N; Noda, M; Ogawa, E; Ozono, K; Sugiyama, Y; Suzuki, A; Takeyari, S; Takishima, S; Uematsu, M; Utoyama, M	1
Kobayashi, D	1
Abulimiti, A; Che, MM; Fang, YJ; Huang, CY; Xu, L; Zhang, CX	1
Lang, X; Li, Y; Zhang, D; Zhang, Y	1
Atzori, AS; Carboni, E; Gallo, A; Ghilardelli, F; Masoero, F; Rocchetti, G	1

Reviews

8 review(s) available for pyridoxic acid and pyridoxal phosphate

Article	Year
Pyridoxine and its metabolism in chronic liver disease. Nutrition reviews, 1977, Volume: 35, Issue:6 Topics: Alcoholism; Chemical and Drug Induced Liver Injury; Chronic Disease; Humans; Liver; Liver Diseases; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Vitamin B 6 Deficiency	1977
Vitamin B6 metabolism by human liver. Annals of the New York Academy of Sciences, 1990, Volume: 585 Topics: Amino Acids; Humans; Kinetics; Liver; Liver Cirrhosis; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine	1990
Vitamin B-6: a status report. The Journal of nutrition, 1990, Volume: 120 Suppl 11, Issue:4 Topics: Erythrocytes; Humans; Liver; Methionine; Nutrition Assessment; Nutritional Status; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Transaminases; Tryptophan	1990
Newer laboratory methods for assessing nutriture of selected B-complex vitamins. Annual review of nutrition, 1984, Volume: 4 Topics: Alanine Transaminase; Autoanalysis; Binding, Competitive; Biological Assay; Body Fluids; Child, Preschool; Chromatography, High Pressure Liquid; Chromatography, Ion Exchange; Erythrocytes; Flavin-Adenine Dinucleotide; Folic Acid; Glutathione Reductase; Humans; Infant; Infant, Newborn; Leukocytes; Methods; Niacin; Niacinamide; Nutritional Physiological Phenomena; Protein Binding; Pyridones; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Riboflavin; Thiamine; Thiamine Pyrophosphate; Transketolase; Vitamin B Complex; Vitamin B Deficiency	1984
Clinical chemistry of vitamin B6. Advances in clinical chemistry, 1983, Volume: 23 Topics: Animals; Biological Assay; Biological Availability; Biological Transport; Chemical Phenomena; Chemistry; Contraceptives, Oral; Female; Humans; Infections; Intestinal Absorption; Kynurenine; Lactation; Liver; Models, Biological; Nutritional Requirements; Oxidation-Reduction; Phosphorylation; Pregnancy; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Radioimmunoassay; Tryptophan; Vitamin B 6 Deficiency; Xanthurenates	1983
Vitamin B6. International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition, 1993, Volume: 63, Issue:4 Topics: Humans; Nutritional Status; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Tryptophan; Vitamin B 6 Deficiency	1993
Direct and Functional Biomarkers of Vitamin B6 Status. Annual review of nutrition, 2015, Volume: 35 Topics: Amino Acids; Biomarkers; Body Mass Index; Female; Health Status; Humans; Infant; Infant, Newborn; Inflammation; Kynurenine; Life Style; Male; Metabolome; Metabolomics; Nutritional Status; Pregnancy; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Transaminases; Vitamin B 6; Vitamin B 6 Deficiency	2015
[Food Poisoning by Ginkgo Seeds through Vitamin B Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan, 2019, Volume: 139, Issue:1 Topics: Foodborne Diseases; Ginkgo biloba; Humans; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Vitamin B 6; Vitamin B 6 Deficiency	2019

Trials

14 trial(s) available for pyridoxic acid and pyridoxal phosphate

Article	Year
Vitamin B6 requirements of women using oral contraceptives. The American journal of clinical nutrition, 1975, Volume: 28, Issue:5 Topics: Adult; Alanine Transaminase; Aspartate Aminotransferases; Contraceptives, Oral; Contraceptives, Oral, Hormonal; Cystathionine; Female; Humans; Methionine; Nutritional Requirements; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Tryptophan; Vitamin B 6 Deficiency	1975
Decreased vitamin B-6 status of submariners during prolonged patrol. The American journal of clinical nutrition, 1988, Volume: 47, Issue:3 Topics: Adult; Depression; Humans; Male; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Submarine Medicine; Time Factors; Vitamin B 6 Deficiency	1988
Vitamin B-6 requirement and status assessment: young women fed a depletion diet followed by a plant- or animal-protein diet with graded amounts of vitamin B-6. The American journal of clinical nutrition, 1995, Volume: 61, Issue:5 Topics: Adult; Analysis of Variance; Biomarkers; Dairy Products; Dietary Proteins; Dose-Response Relationship, Drug; Female; Food, Formulated; Humans; Nutrition Assessment; Nutritional Requirements; Plant Proteins; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Xanthurenates	1995
Variability in absorption lag time of pyridoxal phosphate under fasting and pre- and post-meal conditions. Biopharmaceutics & drug disposition, 1994, Volume: 15, Issue:6 Topics: Absorption; Administration, Oral; Adult; Biological Availability; Capsules; Chromatography, High Pressure Liquid; Drug Delivery Systems; Eating; Fasting; Female; Gastric Emptying; Humans; Male; Middle Aged; Pyridoxal Phosphate; Pyridoxic Acid; Tablets, Enteric-Coated	1994
The influence of protein intake on vitamin B-6 metabolism differs in young and elderly humans. The Journal of nutrition, 1994, Volume: 124, Issue:8 Topics: Adult; Aged; Aging; Dietary Proteins; Energy Intake; Female; Humans; Male; Protein Biosynthesis; Proteins; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine	1994
Exercise-induced changes in plasma vitamin B-6 concentrations do not vary with exercise intensity. The American journal of clinical nutrition, 1994, Volume: 60, Issue:4 Topics: Adolescent; Adult; Exercise; Female; Humans; Male; Oxygen Consumption; Plasma Volume; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Time Factors	1994
Vitamin B-6 status indicators decrease in women consuming a diet high in pyridoxine glucoside. The Journal of nutrition, 1996, Volume: 126, Issue:10 Topics: Adult; Animals; Biological Availability; Cross-Over Studies; Diet; Dose-Response Relationship, Drug; Erythrocytes; Feces; Female; Glucosides; Humans; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Regression Analysis	1996
Plasma total homocysteine response to oral doses of folic acid and pyridoxine hydrochloride (vitamin B6) in healthy individuals. Oral doses of vitamin B6 reduce concentrations of serum folate. Scandinavian journal of clinical and laboratory investigation, 1999, Volume: 59, Issue:2 Topics: Administration, Oral; Adult; Cholesterol; Cysteine; Dipeptides; Female; Folic Acid; Homocysteine; Humans; Hyperhomocysteinemia; Lipoproteins; Male; Middle Aged; Norway; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Vitamin B 12	1999
Sensitivity to meat protein intake and hyperoxaluria in idiopathic calcium stone formers. Kidney international, 2001, Volume: 59, Issue:6 Topics: Adult; Calcium; Diet, Protein-Restricted; Dietary Proteins; Glycolates; Humans; Hyperoxaluria; Kidney Calculi; Male; Meat; Middle Aged; Oxalates; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Sulfates	2001
Assessment of vitamin B-6 status in young women consuming a controlled diet containing four levels of vitamin B-6 provides an estimated average requirement and recommended dietary allowance. The Journal of nutrition, 2001, Volume: 131, Issue:6 Topics: Administration, Oral; Adult; Alanine Transaminase; Aspartate Aminotransferases; Body Mass Index; Diet; Erythrocytes; Ethnicity; Female; Humans; Nutrition Policy; Nutritional Status; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Pyridoxine	2001
Plasma vitamin B6 vitamers before and after oral vitamin B6 treatment: a randomized placebo-controlled study. Clinical chemistry, 2003, Volume: 49, Issue:1 Topics: Adult; Aged; Aged, 80 and over; Chromatography, High Pressure Liquid; Female; Humans; Male; Middle Aged; Placebos; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Time Factors; Vitamin B 6	2003
Vitamin B6 supplementation increases immune responses in critically ill patients. European journal of clinical nutrition, 2006, Volume: 60, Issue:10 Topics: Aged; Alanine Transaminase; APACHE; Aspartate Aminotransferases; C-Reactive Protein; Critical Illness; Dietary Supplements; Dose-Response Relationship, Immunologic; Erythrocytes; Female; Health Status Indicators; Hospitalization; Humans; Immunity, Cellular; Lymphocytes; Male; Pyridoxal Phosphate; Pyridoxic Acid; Serum Albumin; Vitamin B 6	2006
B-vitamin status and concentrations of homocysteine in Austrian omnivores, vegetarians and vegans. Annals of nutrition & metabolism, 2006, Volume: 50, Issue:6 Topics: Adult; Aged; Alcohol Drinking; Anthropometry; Aspartate Aminotransferases; Austria; Diet; Diet, Vegetarian; Feeding Behavior; Female; Folic Acid; Glutathione Reductase; Homocysteine; Humans; Hyperhomocysteinemia; Male; Meat; Middle Aged; Pyridoxal Phosphate; Pyridoxic Acid; Riboflavin; Riboflavin Deficiency; Surveys and Questionnaires; Thiamine; Transketolase; Vegetables; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B 6; Vitamin B Complex; Vitamin B Deficiency	2006
Epilepsy as a pyridoxine-dependent condition: quantified urinary biomarkers for status evaluation and monitoring antiepileptic treatment. Medical hypotheses, 2012, Volume: 79, Issue:2 Topics: Adolescent; Anticonvulsants; Biomarkers; Child; Child, Preschool; Epilepsy; Female; Humans; Male; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Reproducibility of Results; Sensitivity and Specificity; Treatment Outcome; Tryptophan	2012

Other Studies

86 other study(ies) available for pyridoxic acid and pyridoxal phosphate

Article	Year
Tryptophan metabolism in bladder cancer patients from Copenhagen. Scandinavian journal of urology and nephrology, 1979, Volume: 13, Issue:2 Topics: Denmark; Humans; Kynurenine; Male; Pyridoxal Phosphate; Pyridoxic Acid; Tryptophan; Urinary Bladder Neoplasms	1979
[Therapeutic effectiveness of pyridoxine pyrrolidonecarboxylate in febrile convulsions in children]. Minerva pediatrica, 1977, Oct-27, Volume: 29, Issue:33 Topics: Ammonia; Child, Preschool; Drug Evaluation; Female; Humans; Infant; Isonicotinic Acids; Male; Pyridoxal Phosphate; Pyridoxic Acid; Pyrrolidinones; Seizures; Seizures, Febrile; Tryptophan; Vitamin B 6 Deficiency	1977
Plasma pyridoxal phosphate levels in fulminant hepatic failure and the effects of parenteral supplementation. Scandinavian journal of gastroenterology, 1977, Volume: 12, Issue:1 Topics: Hepatic Encephalopathy; Humans; Injections, Intravenous; Liver; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Time Factors; Transaminases	1977
Vitamin B6 deficiency in chronic liver disease--evidence for increased degradation of pyridoxal-5'-phosphate. Gut, 1977, Volume: 18, Issue:1 Topics: Alcoholism; Chronic Disease; Humans; Liver Diseases; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Vitamin B 6 Deficiency	1977
Separation of seven B6 vitamers by two-dimensional thin-layer chromatography. Analytical biochemistry, 1977, Volume: 82, Issue:1 Topics: Chromatography, Thin Layer; Organophosphorus Compounds; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Pyridoxine	1977
Vitamin B6 deficiency in cancer patients. The American journal of clinical nutrition, 1977, Volume: 30, Issue:10 Topics: Adult; Aged; Breast Neoplasms; Colonic Neoplasms; Female; Genital Neoplasms, Female; Humans; Middle Aged; Neoplasm Metastasis; Neoplasm Recurrence, Local; Neoplasms; Organ Specificity; Pyridoxal Phosphate; Pyridoxic Acid; Vitamin B 6 Deficiency	1977
[Activity studies of an iron-vitamin B6 preparation for euteral treatment of iron deficiency anemia]. International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition, 1975, Volume: 45, Issue:4 Topics: Administration, Oral; Anemia, Hypochromic; Aspartate Aminotransferases; Child; Drug Therapy, Combination; Erythrocytes; Hematocrit; Hemoglobins; Humans; Intestinal Absorption; Iron; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Reticulocytes	1975
Elevated plasma vitamers of vitamin B6 in patients with chronic renal failure on regular haemodialysis. European journal of clinical nutrition, 1992, Volume: 46, Issue:9 Topics: Adult; Aged; Chromatography, High Pressure Liquid; Female; Humans; Kidney Failure, Chronic; Male; Middle Aged; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Renal Dialysis	1992
Determination of vitamin B6 vitamers and pyridoxic acid in biological samples. Journal of chromatography, 1992, Jul-01, Volume: 578, Issue:1 Topics: Animals; Cells, Cultured; Cerebral Cortex; Chromatography, High Pressure Liquid; Humans; Kidney; Liver; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Pyridoxine; Rats	1992
Lack of hormonal stimulation of pyridoxine metabolism in isolated rat hepatocytes. Biochemical medicine and metabolic biology, 1992, Volume: 48, Issue:2 Topics: Animals; Carbon Radioisotopes; Cells, Cultured; Epinephrine; Glucagon; Insulin; Kinetics; Liver; Male; Probability; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Rats; Rats, Sprague-Dawley	1992
Plasma B-6 vitamer and plasma and urinary 4-pyridoxic acid concentrations in young women as determined using high performance liquid chromatography. Biomedical chromatography : BMC, 1991, Volume: 5, Issue:5 Topics: Adult; Alanine Transaminase; Chromatography, High Pressure Liquid; Erythrocytes; Female; Fluorometry; Humans; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Pyridoxine; Radioimmunoassay; Ultraviolet Rays	1991
Vitamin B-6 requirements of elderly men and women. The Journal of nutrition, 1991, Volume: 121, Issue:7 Topics: Aged; Aspartate Aminotransferases; Diet; Dietary Proteins; Female; Food, Formulated; Humans; Male; Middle Aged; Nutritional Requirements; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Vitamin B 6 Deficiency; Xanthurenates	1991
Separation and quantification of the B6 vitamers in plasma and 4-pyridoxic acid in urine of adolescent girls by reversed-phase high-performance liquid chromatography. Journal of chromatography, 1991, Feb-15, Volume: 563, Issue:2 Topics: Adolescent; Body Height; Body Weight; Child; Chromatography, High Pressure Liquid; Dietary Proteins; Female; Hematocrit; Hemoglobins; Humans; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Pyridoxine	1991
Determination of pyridoxal 5'-phosphate in human serum by reversed phase high performance liquid chromatography combined with spectrofluorimetric detection of 4-pyridoxic acid 5'-phosphate as a derivative. The Analyst, 1989, Volume: 114, Issue:10 Topics: Chromatography, High Pressure Liquid; Humans; Isonicotinic Acids; Pyridoxal Phosphate; Pyridoxic Acid; Spectrometry, Fluorescence	1989
Assay of pyridoxal-5'-phosphate, pyridoxal and pyridoxic acid in biological material. International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition, 1989, Volume: 59, Issue:4 Topics: Amniotic Fluid; Animals; Chickens; Chromatography, High Pressure Liquid; Female; Fluorometry; Humans; Isonicotinic Acids; Nutritional Status; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Rabbits	1989
Dietary intake of total and glycosylated vitamin B-6 and the vitamin B-6 nutritional status of unsupplemented lactating women and their infants. The American journal of clinical nutrition, 1989, Volume: 50, Issue:5 Topics: Adult; Breast Feeding; Diet; Female; Glucosides; Humans; Infant; Lactation; Milk, Human; Nutritional Requirements; Nutritional Status; Pregnancy; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine	1989
Effect of age on changes in plasma, erythrocyte, and urinary B-6 vitamers after an oral vitamin B-6 load. The American journal of clinical nutrition, 1988, Volume: 48, Issue:5 Topics: Adult; Aged; Aging; Erythrocytes; Humans; Male; Middle Aged; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Reference Values	1988
Vitamin B6 status in cirrhotic patients in relation to apoenzyme of serum alanine aminotransferase. Clinical biochemistry, 1988, Volume: 21, Issue:6 Topics: Alanine Transaminase; Apoenzymes; Apoproteins; Female; Humans; Liver Cirrhosis; Liver Cirrhosis, Alcoholic; Male; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine	1988
Vitamin B6 nutritional status in asthma: the effect of theophylline therapy on plasma pyridoxal-5'-phosphate and pyridoxal levels. International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition, 1988, Volume: 58, Issue:1 Topics: Adolescent; Adult; Aged; Asthma; Female; Humans; Middle Aged; Nutritional Physiological Phenomena; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Theophylline	1988
Vitamin B-6 metabolism in the pregnant rat: effect of progesterone on the (re)distribution in maternal vitamin B-6 stores. The Journal of nutrition, 1987, Volume: 117, Issue:11 Topics: Animals; Female; Kidney; Liver; Muscles; Organ Size; Ovariectomy; Pregnancy; Pregnancy, Animal; Progesterone; Pyridoxal; Pyridoxal Kinase; Pyridoxal Phosphate; Pyridoxamine; Pyridoxaminephosphate Oxidase; Pyridoxic Acid; Pyridoxine; Rats	1987
Vitamin B-6 metabolism as affected by exercise in trained and untrained women fed diets differing in carbohydrate and vitamin B-6 content. The American journal of clinical nutrition, 1987, Volume: 46, Issue:6 Topics: Adult; Dietary Carbohydrates; Female; Humans; Menopause; Middle Aged; Physical Exertion; Physical Fitness; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine	1987
Simultaneous and direct determination of pyridoxal, pyridoxal-5'-phosphate, and pyridoxic acid in serum by derivative synchronous fluorescence spectroscopy. Analytical biochemistry, 1986, Volume: 157, Issue:2 Topics: Beryllium; Humans; Isonicotinic Acids; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Quality Control; Spectrometry, Fluorescence	1986
Vitamin B6 status of women suffering from premenstrual syndrome. Human nutrition. Clinical nutrition, 1986, Volume: 40, Issue:6 Topics: Adolescent; Adult; Aspartate Aminotransferases; Erythrocytes; Female; Humans; Menstrual Cycle; Middle Aged; Premenstrual Syndrome; Pyridoxal; Pyridoxal Kinase; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Tryptophan; Xanthurenates	1986
Differences in vitamin B6 status indicator responses between young and middle-aged women fed constant diets with two levels of vitamin B6. The American journal of clinical nutrition, 1985, Volume: 42, Issue:2 Topics: Adult; Age Factors; Diet; Dietary Carbohydrates; Female; Humans; Kynurenic Acid; Middle Aged; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Tryptophan; Xanthurenates	1985
Markedly increased circulating pyridoxal-5'-phosphate levels in hypophosphatasia. Alkaline phosphatase acts in vitamin B6 metabolism. The Journal of clinical investigation, 1985, Volume: 76, Issue:2 Topics: Adult; Aged; Alkaline Phosphatase; Child; Child, Preschool; Diet; Female; Humans; Hypophosphatasia; Infant; Isoenzymes; Male; Middle Aged; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Ultrafiltration	1985
Relationship between body store of vitamin B6 and plasma pyridoxal-P clearance: metabolic balance studies in humans. The Journal of laboratory and clinical medicine, 1985, Volume: 106, Issue:5 Topics: Adult; Diet; Half-Life; Humans; Isonicotinic Acids; Kinetics; Male; Metabolic Clearance Rate; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Pyridoxine	1985
The effect of dietary protein on the metabolism of vitamin B-6 in humans. The Journal of nutrition, 1985, Volume: 115, Issue:12 Topics: Adult; Body Weight; Dietary Proteins; Energy Intake; Feces; Humans; Male; Nitrogen; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Tryptophan	1985
The effect of wheat bran on the bioavailability of vitamin B-6 in young men. The Journal of nutrition, 1983, Volume: 113, Issue:12 Topics: Adult; Dietary Fiber; Feces; Humans; Male; Nutritive Value; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Time Factors; Triticum	1983
Increased plasma pyridoxal 5'-phosphate and vitamin B6 in male adolescents after 4500-meter run. The American journal of clinical nutrition, 1983, Volume: 38, Issue:4 Topics: Adolescent; Blood Glucose; Energy Metabolism; Humans; Male; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Running; Seasons	1983
Induction of sister-chromatid exchange in human lymphocytes by vitamin B6. Mutation research, 1983, Volume: 124, Issue:2 Topics: Cells, Cultured; Crossing Over, Genetic; Humans; Lymphocytes; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Sister Chromatid Exchange	1983
Comparative vitamin B-6 bioavailability from tuna, whole wheat bread and peanut butter in humans. The Journal of nutrition, 1983, Volume: 113, Issue:12 Topics: Adult; Animals; Arachis; Biological Availability; Bread; Feces; Fishes; Food Preservation; Humans; Male; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Time Factors; Tuna	1983
Urinary 4-pyridoxic acid excretion in 24-hour versus random urine samples as a measurement of vitamin B6 status in humans. The American journal of clinical nutrition, 1984, Volume: 39, Issue:3 Topics: Adolescent; Adult; Aspartate Aminotransferases; Creatinine; Erythrocytes; Female; Humans; Isonicotinic Acids; Male; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Specimen Handling; Time Factors; Vitamin B 6 Deficiency	1984
Effect of high dose ascorbic acid on vitamin B6 metabolism. The American journal of clinical nutrition, 1982, Volume: 35, Issue:6 Topics: Adult; Ascorbic Acid; Dose-Response Relationship, Drug; Female; Humans; Male; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Time Factors	1982
Vitamin B-6 metabolism and turnover in the ethanol-fed rat. The Journal of nutrition, 1982, Volume: 112, Issue:4 Topics: Alcoholism; Animals; Body Weight; Brain; Female; Humans; Liver; Male; Organ Size; Organophosphorus Compounds; Pregnancy; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Pyridoxine; Rats	1982
B6 vitamer analysis in human plasma by high performance liquid chromatography: a preliminary report. The American journal of clinical nutrition, 1981, Volume: 34, Issue:5 Topics: Chromatography, High Pressure Liquid; Humans; Organophosphorus Compounds; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Pyridoxine	1981
Vitamin B6 status of low-income adolescent and adult pregnant women and the condition of their infants at birth. The American journal of clinical nutrition, 1981, Volume: 34, Issue:9 Topics: Adolescent; Adult; Alanine Transaminase; Apgar Score; Birth Weight; Diet; Erythrocytes; Female; Humans; Infant, Newborn; Pregnancy; Pregnancy in Adolescence; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Socioeconomic Factors	1981
Effect of natural oestrogens on tryptophan metabolism: evidence for interference of oestrogens with kynureninase. Scandinavian journal of clinical and laboratory investigation, 1980, Volume: 40, Issue:1 Topics: Aged; Estradiol; Estriol; Estrogens; Female; Humans; Hydrolases; Kynurenine; Menopause; Middle Aged; NAD; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Tryptophan	1980
Vitamin B-6 metabolism in the livers of young adult and senescent mice. Experimental gerontology, 1980, Volume: 15, Issue:5 Topics: Aging; Animals; Liver; Male; Mice; Organophosphorus Compounds; Pyridoxal Kinase; Pyridoxal Phosphate; Pyridoxamine; Pyridoxaminephosphate Oxidase; Pyridoxic Acid; Pyridoxine	1980
Vitamin B-6 metabolism in the blood of young adult and senescent mice. Experimental gerontology, 1980, Volume: 15, Issue:5 Topics: Aging; Animals; Kinetics; Male; Mice; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine	1980
Pyridoxic acid excretion during low vitamin B-6 intake, total fasting, and bed rest. The American journal of clinical nutrition, 1995, Volume: 62, Issue:5 Topics: Adult; Bed Rest; Diet; Fasting; Female; Humans; Male; Muscle, Skeletal; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Vitamin B 6 Deficiency	1995
Tissue B-6 vitamer concentrations in rats fed excess vitamin B-6. The Journal of nutrition, 1995, Volume: 125, Issue:9 Topics: Animals; Body Weight; Brain Chemistry; Diet; Dose-Response Relationship, Drug; Eating; Erythrocytes; Female; Kidney; Liver; Muscle, Skeletal; Phosphorylases; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Rats; Transaminases	1995
Bioavailability of vitamin B-6 in young and older men. The American journal of clinical nutrition, 1994, Volume: 60, Issue:1 Topics: Adult; Aged; Aging; Alkaline Phosphatase; Aspartate Aminotransferases; Biological Availability; Chromatography, High Pressure Liquid; Erythrocytes; Gas Chromatography-Mass Spectrometry; Humans; Male; Middle Aged; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine	1994
Vitamin B-6 status of school-aged patients with phenylketonuria. The American journal of clinical nutrition, 1994, Volume: 60, Issue:2 Topics: Adolescent; Alkaline Phosphatase; Child; Diet; Dietary Proteins; Female; Humans; Male; Phenylalanine; Phenylketonurias; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine	1994
Vitamin B-6 status indices are lower in pregnant than in nonpregnant women but urinary excretion of 4-pyridoxic acid does not differ. The Journal of nutrition, 1993, Volume: 123, Issue:12 Topics: Adult; Alkaline Phosphatase; Aspartate Aminotransferases; Chromatography, High Pressure Liquid; Erythrocytes; Female; Humans; Pregnancy; Pregnancy Trimester, Third; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Serum Albumin; Spectrophotometry; White People	1993
Feeding experiments of pyridoxine derivatives as vitamin B6. International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition, 1997, Volume: 67, Issue:6 Topics: Animals; Aspartate Aminotransferases; Biological Availability; Diet; Erythrocytes; Glucosides; Hydrolases; Liver; Lysine; Male; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Rats; Rats, Wistar; Vitamin B 6 Deficiency; Weight Gain; Xanthurenates	1997
Micronutrient status, with special reference to vitamin B6. European journal of clinical nutrition, 1997, Volume: 51 Suppl 3 Topics: Adult; Aged; Alanine Transaminase; Aspartate Aminotransferases; Erythrocytes; Female; Hand Strength; Homocysteine; Humans; Male; Micronutrients; Middle Aged; Netherlands; Nutritional Status; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Vitamin B 6 Deficiency	1997
Dietary and other determinants of vitamin B6 parameters. European journal of clinical nutrition, 1997, Volume: 51 Suppl 3 Topics: Adult; Aged; Alanine Transaminase; Alkaline Phosphatase; Aspartate Aminotransferases; Diet; Erythrocytes; Female; Homocysteine; Humans; Male; Middle Aged; Netherlands; Nutritional Status; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Serum Albumin; Vitamin B 6 Deficiency	1997
A simple, sensitive and reproducible assay for pyridoxal 5'-phosphate and 4-pyridoxic acid in human plasma. Clinica chimica acta; international journal of clinical chemistry, 1999, Volume: 280, Issue:1-2 Topics: Aged; Chromatography, High Pressure Liquid; Female; Humans; Male; Pyridoxal Phosphate; Pyridoxic Acid; Reference Values; Reproducibility of Results; Sensitivity and Specificity; Spectrometry, Fluorescence	1999
The influence of dietary restriction on vitamin B-6 vitamer distribution and on vitamin B-6 metabolizing enzymes in rats. Journal of the American College of Nutrition, 1999, Volume: 18, Issue:2 Topics: Animals; Body Weight; Brain Chemistry; Food Deprivation; Kidney; Liver; Male; Muscles; Myocardium; Pyridoxal Kinase; Pyridoxal Phosphate; Pyridoxaminephosphate Oxidase; Pyridoxic Acid; Pyridoxine; Rats; Rats, Sprague-Dawley; Tissue Distribution	1999
Plasma pyridoxal phosphate and pyridoxic acid and their relationship to plasma homocysteine in a representative sample of British men and women aged 65 years and over. The British journal of nutrition, 1999, Volume: 81, Issue:3 Topics: Adolescent; Age Factors; Aged; Aged, 80 and over; Analysis of Variance; Child; Child, Preschool; Diet Surveys; Female; Homocysteine; Humans; Linear Models; Male; Nutritional Status; Pyridines; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Seasons; Sex Factors; United Kingdom	1999
North-south differences in some indices of Vitamin B6 nutritional status in older British people. International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition, 1999, Volume: 69, Issue:6 Topics: Aged; Alcohol Drinking; Female; Humans; Male; Nutritional Status; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Riboflavin; Risk Factors; Scotland; Smoking; Socioeconomic Factors; United Kingdom; Vitamin B 6 Deficiency; Wales	1999
An appraisal of vitamin B6 status indices and associated confounders, in young people aged 4-18 years and in people aged 65 years and over, in two national British surveys. Public health nutrition, 1999, Volume: 2, Issue:4 Topics: Adolescent; Age Distribution; Age Factors; Aged; Aged, 80 and over; Aspartate Aminotransferases; Biomarkers; Child; Child, Preschool; Confounding Factors, Epidemiologic; Female; Humans; Male; Nutritional Status; Pyridoxal Phosphate; Pyridoxic Acid; Sex Factors; United Kingdom; Vitamin B 6 Deficiency	1999
Vitamin B-6 intakes and plasma B-6 vitamer concentrations of men and women, 19-50 years of age. International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition, 2000, Volume: 70, Issue:5 Topics: Adult; Diet Records; Female; Humans; Male; Middle Aged; Nutritional Status; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Pyridoxine; Sex Factors; White People	2000
Vitamin B6 intakes and status of mechanically ventilated critically ill patients in Taiwan. European journal of clinical nutrition, 2002, Volume: 56, Issue:5 Topics: Adult; Aged; Aged, 80 and over; APACHE; Critical Illness; Female; Hospitalization; Humans; Length of Stay; Male; Middle Aged; Nutritional Status; Nutritional Support; Prospective Studies; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Respiration, Artificial; Taiwan; Transaminases; Vitamin B 6	2002
Determination of vitamin B-6 estimated average requirement and recommended dietary allowance for children aged 7-12 years using vitamin B-6 intake, nutritional status and anthropometry. The Journal of nutrition, 2002, Volume: 132, Issue:10 Topics: Administration, Oral; Alanine Transaminase; Anthropometry; Aspartate Aminotransferases; Biomarkers; Body Mass Index; Child; Child Nutritional Physiological Phenomena; Erythrocytes; Female; Humans; Male; Nutrition Policy; Nutrition Surveys; Nutritional Requirements; Nutritional Status; Pyridoxal Phosphate; Pyridoxic Acid; Taiwan; Vitamin B 6	2002
Improved vitamin B-6 status is positively related to lymphocyte proliferation in young women consuming a controlled diet. The Journal of nutrition, 2002, Volume: 132, Issue:11 Topics: Adult; Alanine Transaminase; Body Height; Diet; Erythrocytes; Female; Humans; Interleukin-2; Leukocytes, Mononuclear; Lymphocyte Activation; Nutritional Status; Phytohemagglutinins; Pyridoxal Phosphate; Pyridoxic Acid; Vitamin B 6	2002
Pyridoxal phosphate decreases in plasma but not erythrocytes during systemic inflammatory response. Clinical chemistry, 2003, Volume: 49, Issue:3 Topics: Adult; Aged; C-Reactive Protein; Chromatography, High Pressure Liquid; Chronic Disease; Critical Illness; Erythrocytes; Female; Humans; Inflammation; Male; Middle Aged; Pyridoxal Phosphate; Pyridoxic Acid; Reference Values; Serum Albumin; Vitamin B 6	2003
Assessment of vitamin B-6 estimated average requirement and recommended dietary allowance for adolescents aged 13-15 years using vitamin B-6 intake, nutritional status and anthropometry. The Journal of nutrition, 2003, Volume: 133, Issue:10 Topics: Adolescent; Alanine; Anthropometry; Aspartate Aminotransferases; Diet; Erythrocytes; Female; Humans; Male; Nutrition Policy; Nutritional Requirements; Nutritional Status; Pyridoxal Phosphate; Pyridoxic Acid; Taiwan; Vitamin B 6	2003
Vitamin B6 metabolites in idiopathic calcium stone formers: no evidence for a link to hyperoxaluria. Urological research, 2004, Volume: 32, Issue:1 Topics: Adult; Aged; Case-Control Studies; Chromatography, High Pressure Liquid; Cross-Sectional Studies; Humans; Hyperoxaluria; Kidney Calculi; Male; Middle Aged; Oxalates; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Vitamin B 6	2004
Plasma taurine and cysteine levels following an oral methionine load: relationship with coronary heart disease. European journal of clinical nutrition, 2004, Volume: 58, Issue:1 Topics: Adult; Case-Control Studies; Coronary Disease; Cysteine; Europe; Fasting; Humans; India; Male; Methionine; Middle Aged; Pyridoxal Phosphate; Pyridoxic Acid; Taurine	2004
B-6 vitamers and 4-pyridoxic acid in the plasma, erythrocytes, and urine of postmenopausal women. The American journal of clinical nutrition, 2004, Volume: 80, Issue:4 Topics: Adult; Aging; Erythrocytes; Estradiol; Female; Humans; Middle Aged; Nutritional Status; Postmenopause; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Vitamin B 6	2004
Use of chlorite to improve HPLC detection of pyridoxal 5'-phosphate. Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 2005, Sep-05, Volume: 823, Issue:2 Topics: Chlorides; Chromatography, High Pressure Liquid; Humans; Oxidation-Reduction; Pyridoxal Phosphate; Pyridoxic Acid; Reproducibility of Results	2005
Plasma vitamin B-6 forms and their relation to transsulfuration metabolites in a large, population-based study. The American journal of clinical nutrition, 2007, Volume: 86, Issue:1 Topics: Cohort Studies; Cystathionine; Female; Genotype; Humans; Hydrolases; Male; Methylenetetrahydrofolate Reductase (NADPH2); Middle Aged; Polymorphism, Single Nucleotide; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Regression Analysis; Vitamin B 6	2007
A simplified protein precipitation and filtration procedure for determining serum vitamin B6 by high-performance liquid chromatography. Analytical biochemistry, 2009, May-01, Volume: 388, Issue:1 Topics: Chromatography, High Pressure Liquid; Proteins; Pyridoxal Phosphate; Pyridoxic Acid	2009
Vitamin B6 metabolism in chronic kidney disease--relation to transsulfuration, advanced glycation and cardiovascular disease. Nephron. Clinical practice, 2010, Volume: 114, Issue:1 Topics: Adult; Aged; Aged, 80 and over; Cardiovascular Diseases; Erythrocytes; Female; Glycation End Products, Advanced; Humans; Male; Middle Aged; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Renal Insufficiency, Chronic; Vitamin B 6	2010
Vitamin B-6 vitamer levels in plasma and related symptoms in hemodialysis subjects taking low- and high-dose renal multivitamin supplements. International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition, 2012, Volume: 82, Issue:2 Topics: Dietary Supplements; Dose-Response Relationship, Drug; Humans; Peripheral Nervous System Diseases; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Renal Dialysis; Vitamin B 6; Vitamins	2012
Contents of all forms of vitamin B6, pyridoxine-β-glucoside and 4-pyridoxic acid in mature milk of Japanese women according to 4-pyridoxolactone-conversion high performance liquid chromatography. Journal of nutritional science and vitaminology, 2013, Volume: 59, Issue:1 Topics: Adult; Animals; Cattle; Chromatography, High Pressure Liquid; Female; Glucosides; Humans; Japan; Milk; Milk, Human; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; United States; Vitamin B 6	2013
A simple high-performance liquid chromatography (HPLC) method for the measurement of pyridoxal-5-phosphate and 4-pyridoxic acid in human plasma. Clinica chimica acta; international journal of clinical chemistry, 2014, Jun-10, Volume: 433 Topics: Adolescent; Adult; Aged; Blood Chemical Analysis; Calibration; Chromatography, High Pressure Liquid; Female; Healthy Volunteers; Humans; Male; Middle Aged; Pyridoxal Phosphate; Pyridoxic Acid; Young Adult	2014
Vitamin B-6 vitamers in human plasma and cerebrospinal fluid. The American journal of clinical nutrition, 2014, Volume: 100, Issue:2 Topics: Adolescent; Adult; Algorithms; Chromatography, High Pressure Liquid; Female; Humans; Limit of Detection; Male; Middle Aged; Netherlands; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Reference Values; Reproducibility of Results; Sex Characteristics; Tandem Mass Spectrometry; Vitamin B 6; Young Adult	2014
Evidence for increased catabolism of vitamin B-6 during systemic inflammation. The American journal of clinical nutrition, 2014, Volume: 100, Issue:1 Topics: Aged; Biomarkers; Body Mass Index; C-Reactive Protein; Cross-Sectional Studies; Dietary Supplements; Female; Humans; Inflammation; Kynurenine; Linear Models; Longitudinal Studies; Male; Middle Aged; Neopterin; Norway; Oxidative Stress; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; ROC Curve; Tryptophan; Vitamin B 6	2014
Markers of vitamin B6 status and metabolism as predictors of incident cancer: the Hordaland Health Study. International journal of cancer, 2015, Jun-15, Volume: 136, Issue:12 Topics: Aged; Biomarkers; Female; Follow-Up Studies; Health Surveys; Humans; Incidence; Kynurenine; Male; Middle Aged; Multivariate Analysis; Neoplasms; Norway; Predictive Value of Tests; Prognosis; Proportional Hazards Models; Prospective Studies; Pyridoxal Phosphate; Pyridoxic Acid; Risk Assessment; Risk Factors; Vitamin B 6; Xanthurenates	2015
Vitamin B6 in plasma and cerebrospinal fluid of children. PloS one, 2015, Volume: 10, Issue:3 Topics: Adolescent; Anticonvulsants; Child; Child, Preschool; Chromatography, Liquid; Cross-Sectional Studies; Female; Humans; Infant; Intellectual Disability; Male; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Tandem Mass Spectrometry; Vitamin B 6	2015
Common Variants at Putative Regulatory Sites of the Tissue Nonspecific Alkaline Phosphatase Gene Influence Circulating Pyridoxal 5'-Phosphate Concentration in Healthy Adults. The Journal of nutrition, 2015, Volume: 145, Issue:7 Topics: Adolescent; Adult; Alkaline Phosphatase; Aspartate Aminotransferases; Biomarkers; Chromatography, Liquid; Female; Genome-Wide Association Study; Healthy Volunteers; Humans; Ireland; Linear Models; Male; Polymorphism, Single Nucleotide; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Tandem Mass Spectrometry; Vitamin B 6; Young Adult	2015
Decrease in pyridoxal-5'-phosphate concentration and increase in pyridoxal concentration in rat plasma by 4'-O-methylpyridoxine administration. Nutrition research (New York, N.Y.), 2015, Volume: 35, Issue:7 Topics: Animals; Brain; Disease Models, Animal; Foodborne Diseases; gamma-Aminobutyric Acid; Ginkgo biloba; Humans; Male; Pyridoxal; Pyridoxal Kinase; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Rats, Wistar; Seeds; Vitamin B 6 Deficiency; Vitamin B Complex	2015
Vitamin B-6 catabolism and long-term mortality risk in patients with coronary artery disease. The American journal of clinical nutrition, 2016, Volume: 103, Issue:6 Topics: Adult; Aged; Aged, 80 and over; Biomarkers; C-Reactive Protein; Coronary Artery Disease; Female; Humans; Inflammation; Male; Middle Aged; Mortality; Myocardial Infarction; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Risk Factors; Vitamin B 6	2016
The value of plasma vitamin B6 profiles in early onset epileptic encephalopathies. Journal of inherited metabolic disease, 2016, Volume: 39, Issue:5 Topics: Adolescent; Adult; Biomarkers; Child; Child, Preschool; Female; Humans; Infant; Infant, Newborn; Male; Metabolism, Inborn Errors; Plasma; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Pyridoxine; Spasms, Infantile; Vitamin B 6; Young Adult	2016
Serum B Cancer causes & control : CCC, 2016, Volume: 27, Issue:12 Topics: Aged; Asian People; Biomarkers, Tumor; Case-Control Studies; Female; Humans; Male; Middle Aged; Pancreatic Neoplasms; Prospective Studies; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Risk Factors; Singapore; Vitamin B 6; Vitamin B Complex	2016
Measurement of pyridoxal 5'-phosphate, pyridoxal, and 4-pyridoxic acid in the cerebrospinal fluid of children. Clinica chimica acta; international journal of clinical chemistry, 2017, Volume: 466 Topics: Age Factors; Child; Chromatography, High Pressure Liquid; Epilepsy; Female; Humans; Linear Models; Male; Prospective Studies; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Sex Factors	2017
Vitamin B-6 and colorectal cancer risk: a prospective population-based study using 3 distinct plasma markers of vitamin B-6 status. The American journal of clinical nutrition, 2017, Volume: 105, Issue:4 Topics: Adult; Aged; Biomarkers; Case-Control Studies; Colorectal Neoplasms; Female; Humans; Inflammation; Kynurenine; Male; Middle Aged; Nutritional Status; Odds Ratio; Oxidative Stress; Prospective Studies; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Sweden; Vitamin B 6; Vitamin B 6 Deficiency; Xanthurenates	2017
Pyridoxal 5'-phosphate, pyridoxal, and 4-pyridoxic acid in the paired serum and cerebrospinal fluid of children. Clinica chimica acta; international journal of clinical chemistry, 2017, Volume: 472 Topics: Adolescent; Child; Child, Preschool; Female; Humans; Infant; Infant, Newborn; Male; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid	2017
Results from the European Prospective Investigation into Cancer and Nutrition Link Vitamin B6 Catabolism and Lung Cancer Risk. Cancer research, 2018, 01-01, Volume: 78, Issue:1 Topics: Adult; Aged; Case-Control Studies; Europe; Female; Humans; Lung Neoplasms; Male; Middle Aged; Prospective Studies; Pyridoxal Phosphate; Pyridoxic Acid; Risk Factors; Vitamin B 6	2018
The PAr index, an indicator reflecting altered vitamin B-6 homeostasis, is associated with long-term risk of stroke in the general population: the Hordaland Health Study (HUSK). The American journal of clinical nutrition, 2018, 01-01, Volume: 107, Issue:1 Topics: Aged; Body Mass Index; C-Reactive Protein; Exercise; Female; Follow-Up Studies; Health Surveys; Homeostasis; Humans; Incidence; Male; Middle Aged; Norway; Prospective Studies; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Risk Factors; Sensitivity and Specificity; Stroke; Vitamin B 6	2018
Pyridoxal 5'-phosphate and related metabolites in hypophosphatasia: Effects of enzyme replacement therapy. Molecular genetics and metabolism, 2018, Volume: 125, Issue:1-2 Topics: Adolescent; Adult; Alkaline Phosphatase; Child; Child, Preschool; Chromatography, High Pressure Liquid; Enzyme Replacement Therapy; Ethanolamines; Female; Humans; Hypophosphatasia; Immunoglobulin G; Infant; Infant, Newborn; Male; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Recombinant Fusion Proteins; Vitamin B 6; Young Adult	2018
Association of Serum Pyridoxal-5'-Phosphate, Pyridoxal, and PAr with Colorectal Cancer Risk: A Large-Scale Case-Control Study. Nutrients, 2022, Jun-09, Volume: 14, Issue:12 Topics: Case-Control Studies; Colorectal Neoplasms; Humans; Male; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Vitamin B 6; Vitamins	2022
Associations of Serum Vitamin B6 Status and Catabolism With All-Cause Mortality in Patients With T2DM. The Journal of clinical endocrinology and metabolism, 2022, 09-28, Volume: 107, Issue:10 Topics: Diabetes Mellitus, Type 2; Humans; Nutrition Surveys; Phosphates; Prospective Studies; Pyridoxal Phosphate; Pyridoxic Acid; Vitamin B 6	2022
Milk metabolome reveals pyrimidine and its degradation products as the discriminant markers of different corn silage-based nutritional strategies. Journal of dairy science, 2022, Volume: 105, Issue:11 Topics: Animals; Aspartic Acid; Cattle; Diet; Female; Fermentation; Lactation; Medicago sativa; Metabolome; Milk; Nitrogen; Orotic Acid; Purines; Pyridoxal Phosphate; Pyridoxic Acid; Pyrimidines; Rumen; Silage; Vitamins; Zea mays	2022